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Population in Bangladesh compared to Sierra Leone: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Bangladesh was 173,562,364 in 2024 vs 8,642,022 people in Sierra Leone in 2024. In 2026, based on the adjusted UN estimation, the current Bangladesh's population is 178,415,186 people compared to 9,049,533 in Sierra Leone.

Population statistics:

  • Bangladesh's population is 19.7 times bigger than Sierra Leone's.
  • Bangladesh is ranked the 8th most populous country in the world, while Sierra Leone is the 101st.
  • The countries together account for 2.26% of the world: 2.15% for Bangladesh vs 0.11% for Sierra Leone.
  • For the last 10 years, Bangladesh has had an average growth rate of +0.94% per year vs +2.32% in Sierra Leone.
  • Since 2006, the population of Bangladesh has increased from 146M people to 178M (21.9% growth), while Sierra Leone has grown from 5.62M to 9.05M (60.9% growth).

Bangladesh vs Sierra Leone: population by year and forecast

Bangladesh
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Population
Bangladesh Sierra Leone
2100 210,399,059 16,111,324
2099 211,449,688 16,126,181
2098 212,479,977 16,139,280
2097 213,484,035 16,154,153
2096 214,463,720 16,164,923
2095 215,424,649 16,173,557
2094 216,368,088 16,173,155
2093 217,273,531 16,177,864
2092 218,151,426 16,175,032
2091 218,980,379 16,168,153
2090 219,782,575 16,158,415
2089 220,538,090 16,146,773
2088 221,257,201 16,133,018
2087 221,935,839 16,116,823
2086 222,585,679 16,089,780
2085 223,183,658 16,068,438
2084 223,742,603 16,044,782
2083 224,273,365 16,011,134
2082 224,763,738 15,975,073
2081 225,237,793 15,935,071
2080 225,665,152 15,896,846
2079 226,059,226 15,854,898
2078 226,389,150 15,805,607
2077 226,696,749 15,754,551
2076 226,954,762 15,699,439
2075 227,159,233 15,639,458
2074 227,315,415 15,584,377
2073 227,436,221 15,516,736
2072 227,503,342 15,446,543
2071 227,522,038 15,374,790
2070 227,495,122 15,297,449
2069 227,426,186 15,216,666
2068 227,302,632 15,128,048
2067 227,118,726 15,032,144
2066 226,878,385 14,935,222
2065 226,581,697 14,837,697
2064 226,235,839 14,740,749
2063 225,822,167 14,642,031
2062 225,349,674 14,529,557
2061 224,811,052 14,423,861
2060 224,216,813 14,311,215
2059 223,569,585 14,198,706
2058 222,855,839 14,080,827
2057 222,083,110 13,960,869
2056 221,273,932 13,836,132
2055 220,405,468 13,706,113
2054 219,511,997 13,579,802
2053 218,567,668 13,444,465
2052 217,585,554 13,303,409
2051 216,554,217 13,156,370
2050 215,489,899 13,010,109
2049 214,400,010 12,867,021
2048 213,275,216 12,716,015
2047 212,114,603 12,570,250
2046 210,918,933 12,414,307
2045 209,696,717 12,257,874
2044 208,446,830 12,092,075
2043 207,170,217 11,931,531
2042 205,859,107 11,770,467
2041 204,513,256 11,602,993
2040 203,143,300 11,431,337
2039 201,735,060 11,262,807
2038 200,262,138 11,100,099
2037 198,739,346 10,931,629
2036 197,147,970 10,760,758
2035 195,499,247 10,585,702
2034 193,789,143 10,413,826
2033 191,989,956 10,241,196
2032 190,141,739 10,062,575
2031 188,208,233 9,883,708
2030 186,212,272 9,708,038
2029 184,168,103 9,532,000
2028 182,087,511 9,360,873
2027 179,973,411 9,179,702
2026 177,837,418 9,001,269
2025 175,685,057 8,822,114
2024 173,562,364 8,642,022
2023 171,466,990 8,460,512
2022 169,384,897 8,276,807
2021 167,658,854 8,094,602
2020 166,298,024 7,912,558
2019 164,913,055 7,731,991
2018 163,523,103 7,554,563
2017 162,186,147 7,379,299
2016 160,811,932 7,205,328
2015 159,383,179 7,037,655
2014 157,964,929 6,876,385
2013 156,532,141 6,714,051
2012 155,070,101 6,551,080
2011 153,591,076 6,387,251
2010 152,201,981 6,222,714
2009 150,873,714 6,055,646
2008 149,474,264 5,894,722
2007 147,989,278 5,749,352
2006 146,405,973 5,624,466
2005 144,715,786 5,501,712
2004 142,902,856 5,355,717
2003 140,970,351 5,177,687
2002 138,933,658 4,971,435
2001 136,805,810 4,692,716
2000 134,544,304 4,423,611
1999 132,108,065 4,318,043
1998 129,622,332 4,295,785
1997 127,198,069 4,253,716
1996 124,862,179 4,199,210
1995 122,600,370 4,179,179
1994 120,343,179 4,173,105
1993 118,132,360 4,157,130
1992 115,952,192 4,166,366
1991 113,787,109 4,246,267
1990 111,633,717 4,196,828
1989 109,433,799 4,034,037
1988 107,216,008 3,934,517
1987 104,959,291 3,829,718
1986 102,635,572 3,728,380
1985 100,253,825 3,638,438
1984 97,814,966 3,558,758
1983 95,335,155 3,481,646
1982 92,814,507 3,408,183
1981 90,303,105 3,338,940
1980 88,016,432 3,272,089
1979 85,935,072 3,207,499
1978 83,889,655 3,145,517
1977 81,867,264 3,085,354
1976 79,855,318 3,028,820
1975 77,854,351 2,974,657
1974 75,839,348 2,920,459
1973 73,722,294 2,866,955
1972 71,641,519 2,814,388
1971 70,276,758 2,763,222
1970 69,058,894 2,712,286
1969 67,294,133 2,661,365
1968 65,408,276 2,611,532
1967 63,510,929 2,562,384
1966 61,669,806 2,514,638
1965 59,902,519 2,468,666
1964 58,178,374 2,424,390
1963 56,504,402 2,382,258
1962 54,881,146 2,342,242
1961 53,310,348 2,304,227
1960 51,828,660 2,268,356

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/bangladesh/sierra-leone | CC BY

From 2006 to 2016, the population of Bangladesh increased by 14,405,959 people (a 9.84% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).

For the next 10 years, from 2016 to 2026, Bangladesh gained 17,603,254 people (a 10.9% growth), while Sierra Leone's population increased by 1,844,205 people (a 25.6% growth).

Bangladesh was ranked 8th most populous country in 2006 and is still 8th in 2026. Sierra Leone was ranked 106th in 2006 and ranked 101st now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Bangladesh's population will grow by 20.8% to 215,489,899 people with a rank change from 8th to 10th. The population of Sierra Leone will increase by 43.8% to 13,010,109 people and rank change from 101st to 91st.

Bangladesh is projected to reach its peak in 2071 at 228M people compared to the peak of 16.2M people in 2093 for Sierra Leone.

Population growth rate by year

Bangladesh
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Growth rate
Bangladesh Sierra Leone
2100 -0.5% -0.09%
2099 -0.48% -0.08%
2098 -0.47% -0.09%
2097 -0.46% -0.07%
2096 -0.45% -0.05%
2095 -0.44% 0.002%
2094 -0.42% -0.03%
2093 -0.4% 0.02%
2092 -0.38% 0.04%
2091 -0.36% 0.06%
2090 -0.34% 0.07%
2089 -0.33% 0.09%
2088 -0.31% 0.1%
2087 -0.29% 0.17%
2086 -0.27% 0.13%
2085 -0.25% 0.15%
2084 -0.24% 0.21%
2083 -0.22% 0.23%
2082 -0.21% 0.25%
2081 -0.19% 0.24%
2080 -0.17% 0.26%
2079 -0.15% 0.31%
2078 -0.14% 0.32%
2077 -0.11% 0.35%
2076 -0.09% 0.38%
2075 -0.07% 0.35%
2074 -0.05% 0.44%
2073 -0.03% 0.45%
2072 -0.008% 0.47%
2071 0.01% 0.51%
2070 0.03% 0.53%
2069 0.05% 0.59%
2068 0.08% 0.64%
2067 0.11% 0.65%
2066 0.13% 0.66%
2065 0.15% 0.66%
2064 0.18% 0.67%
2063 0.21% 0.77%
2062 0.24% 0.73%
2061 0.27% 0.79%
2060 0.29% 0.79%
2059 0.32% 0.84%
2058 0.35% 0.86%
2057 0.37% 0.9%
2056 0.39% 0.95%
2055 0.41% 0.93%
2054 0.43% 1.01%
2053 0.45% 1.06%
2052 0.48% 1.12%
2051 0.49% 1.12%
2050 0.51% 1.11%
2049 0.53% 1.19%
2048 0.55% 1.16%
2047 0.57% 1.26%
2046 0.58% 1.28%
2045 0.6% 1.37%
2044 0.62% 1.35%
2043 0.64% 1.37%
2042 0.66% 1.44%
2041 0.67% 1.5%
2040 0.7% 1.5%
2039 0.74% 1.47%
2038 0.77% 1.54%
2037 0.81% 1.59%
2036 0.84% 1.65%
2035 0.88% 1.65%
2034 0.94% 1.69%
2033 0.97% 1.78%
2032 1.03% 1.81%
2031 1.07% 1.81%
2030 1.11% 1.85%
2029 1.14% 1.83%
2028 1.17% 1.97%
2027 1.2% 1.98%
2026 1.23% 2.03%
2025 1.22% 2.08%
2024 1.22% 2.15%
2023 1.23% 2.22%
2022 1.03% 2.25%
2021 0.82% 2.3%
2020 0.84% 2.34%
2019 0.85% 2.35%
2018 0.82% 2.38%
2017 0.85% 2.41%
2016 0.9% 2.38%
2015 0.9% 2.35%
2014 0.92% 2.42%
2013 0.94% 2.49%
2012 0.96% 2.56%
2011 0.91% 2.64%
2010 0.88% 2.76%
2009 0.94% 2.73%
2008 1% 2.53%
2007 1.08% 2.22%
2006 1.17% 2.23%
2005 1.27% 2.73%
2004 1.37% 3.44%
2003 1.47% 4.15%
2002 1.56% 5.94%
2001 1.68% 6.08%
2000 1.84% 2.44%
1999 1.92% 0.52%
1998 1.91% 0.99%
1997 1.87% 1.3%
1996 1.84% 0.48%
1995 1.88% 0.15%
1994 1.87% 0.38%
1993 1.88% -0.22%
1992 1.9% -1.88%
1991 1.93% 1.18%
1990 2.01% 4.04%
1989 2.07% 2.53%
1988 2.15% 2.74%
1987 2.26% 2.72%
1986 2.38% 2.47%
1985 2.49% 2.24%
1984 2.6% 2.21%
1983 2.72% 2.16%
1982 2.78% 2.07%
1981 2.6% 2.04%
1980 2.42% 2.01%
1979 2.44% 1.97%
1978 2.47% 1.95%
1977 2.52% 1.87%
1976 2.57% 1.82%
1975 2.66% 1.86%
1974 2.87% 1.87%
1973 2.9% 1.87%
1972 1.94% 1.85%
1971 1.76% 1.88%
1970 2.62% 1.91%
1969 2.88% 1.91%
1968 2.99% 1.92%
1967 2.99% 1.9%
1966 2.95% 1.86%
1965 2.96% 1.83%
1964 2.96% 1.77%
1963 2.96% 1.71%
1962 2.95% 1.65%
1961 2.86% 1.58%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/bangladesh/sierra-leone | CC BY

In 2024, the population of Bangladesh grew by 1.22%, while Sierra Leone's population grew by 2.15%.

Live population counters

Bangladesh Sierra Leone
Current population
178415186
9049533
Population rank 8/197 101/197
Percent of world population 2.15% 0.11%
One net population change
15.1 seconds
2.9 minutes
One birth every
9.04 seconds
2.03 minutes
One death every
36.7 seconds
7.5 minutes
Daily growth/decline +5,741 +497
Annual growth/decline +2,095,374 +181,510
Annual growth/decline rate +1.22% +2.15%
Population growth rate rank 90/197 47/197
One migration net change every
1.31 minutes
46.6 minutes
Annual migration change -402,100 -11,309
Net migration rank 194/196 136/196
Foreign-born residents 2,906,338 49,997
Foreign-born residents rank 24/195 151/195
Foreign-born share of population 1.7% 0.6%
Foreign-born share rank 139/195 174/195

Natural population change vs migration

Bangladesh
Natural

Migration
Sierra Leone
Natural

Migration
1x
Year Population change
Bangladesh Sierra Leone
Natural Migration Natural Migration
2025 - -402,100 - -11,309
2024 - -473,362 - -11,000
2023 2,630,818 -549,918 188,788 -4,000
2022 2,633,258 -549,990 186,625 -4,000
2021 2,363,487 -994,722 183,326 -1,544
2020 2,355,279 -1,002,522 181,015 1,292
2019 2,433,952 -1,016,796 181,068 -2,238
2018 2,391,853 -1,029,069 178,772 -2,741
2017 2,348,293 -1,037,176 173,259 1,234
2016 2,356,056 -918,770 168,784 4,657
2015 2,329,544 -909,223 162,275 -356
2014 2,305,499 -889,222 160,137 485
2013 2,312,293 -862,944 161,265 2,773
2012 2,304,652 -829,875 160,915 988
2011 2,332,126 -848,910 158,858 6,895
2010 2,408,597 -1,113,727 155,338 7,983
2009 2,511,746 -1,150,194 152,669 18,145
2008 2,595,770 -1,158,420 149,855 1,182
2007 2,666,175 -1,133,553 145,740 -6,042
2006 2,725,786 -1,091,865 144,127 -34,052
2005 2,783,029 -1,036,635 137,234 -1,805
2004 2,849,626 -970,264 132,661 23,897
2003 2,881,857 -896,335 130,312 69,185
2002 2,907,604 -819,909 126,429 86,578
2001 2,905,755 -737,740 116,647 227,791
2000 2,867,543 -512,422 110,754 83,013
1999 2,803,597 -286,256 102,295 -84,926
1998 2,740,993 -286,966 103,906 -76,766
1997 2,667,979 -273,442 105,433 -48,437
1996 2,531,581 -254,239 104,140 -52,110
1995 2,477,509 -231,304 100,885 -112,857
1994 2,475,098 -206,958 101,486 -77,371
1993 2,425,139 -271,677 103,317 -95,476
1992 2,453,664 -246,914 103,251 -129,565
1991 2,354,255 -230,852 105,477 -238,965
1990 2,587,558 -404,105 100,778 131,587
1989 2,623,347 -406,910 98,298 -5,079
1988 2,614,570 -395,408 96,344 9,470
1987 2,661,768 -367,475 94,235 9,558
1986 2,685,152 -331,992 90,902 7,992
1985 2,698,231 -287,872 88,869 -7,873
1984 2,713,094 -245,693 87,072 -8,708
1983 2,694,172 -201,909 84,628 -8,783
1982 2,705,822 -156,729 82,457 -11,379
1981 2,658,613 -184,884 80,111 -12,699
1980 2,615,497 -515,918 77,932 -11,641
1979 2,570,404 -507,354 75,992 -13,095
1978 2,514,509 -486,721 74,130 -13,073
1977 2,475,502 -458,491 71,663 -12,399
1976 2,431,754 -424,970 69,506 -15,686
1975 2,385,302 -390,212 67,560 -13,058
1974 2,312,418 -277,545 65,357 -11,473
1973 2,276,471 -77,324 62,443 -9,322
1972 2,231,204 -269,033 60,279 -8,267
1971 542,747 224,369 58,484 -8,162
1970 1,742,287 -73,719 56,513 -4,957
1969 1,985,984 -125,010 54,768 -4,485
1968 1,918,686 -7,970 53,126 -3,743
1967 1,860,743 23,164 51,734 -2,819
1966 1,794,530 3,758 49,486 -2,911
1965 1,688,652 47,610 47,223 -1,851
1964 1,686,591 25,426 45,487 -2,308
1963 1,612,749 23,215 43,569 -2,480
1962 1,584,035 26,533 41,603 -2,658
1961 1,504,524 26,503 40,022 -2,947
1960 1,418,810 13,580 38,192 -3,528

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/bangladesh/sierra-leone | CC BY

Over the last 10 years, 73.1% of the population change in Bangladesh is from natural causes (a gain of 24,148,039 people) and 26.9% is from migration (a loss of 8,897,408 people). In Sierra Leone 99.6% is from natural causes (a gain of 1,764,049 people) and 0.41% is from migration (a loss of 7,211 people).

As of 2024, 2,906,338 residents or 1.7% of the population were not native-born in Bangladesh, compared to 49,997 people or 0.6% in Sierra Leone.

Biggest cities by population

Bangladesh
City Population
Dhaka 16.8M
Chittagong 2.58M
Narayanganj 968K
Khulna 929K
Sylhet 480K
Rajshahi 448K
Bogra 401K
Barisal 328K
Rangpur 294K
Brahmanbaria 268K
Sierra Leone
City Population
Freetown 951K
Bo 234K
Kenema 188K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/bangladesh/sierra-leone | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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